190639400

素因数分解:

$2^3\times 5^2\times 7^4\times {\mathrm{397}}^1$

素因数の和:441

約数の個数: 120

約数和(自身を含む): 518381070

約数和(自身を除く): 327741670

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 343, 350, 392, 397, 490, 686, 700, 794, 980, 1225, 1372, 1400, 1588, 1715, 1960, 1985, 2401, 2450, 2744, 2779, 3176, 3430, 3970, 4802, 4900, 5558, 6860, 7940, 8575, 9604, 9800, 9925, 11116, 12005, 13720, 13895, 15880, 17150, 19208, 19453, 19850, 22232, 24010, 27790, 34300, 38906, 39700, 48020, 55580, 60025, 68600, 69475, 77812, 79400, 96040, 97265, 111160, 120050, 136171, 138950, 155624, 194530, 240100, 272342, 277900, 389060, 480200, 486325, 544684, 555800, 680855, 778120, 953197, 972650, 1089368, 1361710, 1906394, 1945300, 2723420, 3404275, 3812788, 3890600, 4765985, 5446840, 6808550, 7625576, 9531970, 13617100, 19063940, 23829925, 27234200, 38127880, 47659850, 95319700, 190639400]

約数ペア:

[(1, 190639400), (2, 95319700), (4, 47659850), (5, 38127880), (7, 27234200), (8, 23829925), (10, 19063940), (14, 13617100), (20, 9531970), (25, 7625576), (28, 6808550), (35, 5446840), (40, 4765985), (49, 3890600), (50, 3812788), (56, 3404275), (70, 2723420), (98, 1945300), (100, 1906394), (140, 1361710), (175, 1089368), (196, 972650), (200, 953197), (245, 778120), (280, 680855), (343, 555800), (350, 544684), (392, 486325), (397, 480200), (490, 389060), (686, 277900), (700, 272342), (794, 240100), (980, 194530), (1225, 155624), (1372, 138950), (1400, 136171), (1588, 120050), (1715, 111160), (1960, 97265), (1985, 96040), (2401, 79400), (2450, 77812), (2744, 69475), (2779, 68600), (3176, 60025), (3430, 55580), (3970, 48020), (4802, 39700), (4900, 38906), (5558, 34300), (6860, 27790), (7940, 24010), (8575, 22232), (9604, 19850), (9800, 19453), (9925, 19208), (11116, 17150), (12005, 15880), (13720, 13895)]